This is a note to let you know that I've just added the patch titled EDAC/ti: Fix handling of platform_get_irq() error to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: edac-ti-fix-handling-of-platform_get_irq-error.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 661cb6a5313dd7ef14caf6fcf9b08706d2457c35 Author: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Date: Thu Aug 27 09:07:43 2020 +0200 EDAC/ti: Fix handling of platform_get_irq() error [ Upstream commit 66077adb70a2a9e92540155b2ace33ec98299c90 ] platform_get_irq() returns a negative error number on error. In such a case, comparison to 0 would pass the check therefore check the return value properly, whether it is negative. [ bp: Massage commit message. ] Fixes: 86a18ee21e5e ("EDAC, ti: Add support for TI keystone and DRA7xx EDAC") Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Signed-off-by: Borislav Petkov <bp@xxxxxxx> Reviewed-by: Tero Kristo <t-kristo@xxxxxx> Link: https://lkml.kernel.org/r/20200827070743.26628-2-krzk@xxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/edac/ti_edac.c b/drivers/edac/ti_edac.c index 6ac26d1b929f0..3247689467435 100644 --- a/drivers/edac/ti_edac.c +++ b/drivers/edac/ti_edac.c @@ -278,7 +278,8 @@ static int ti_edac_probe(struct platform_device *pdev) /* add EMIF ECC error handler */ error_irq = platform_get_irq(pdev, 0); - if (!error_irq) { + if (error_irq < 0) { + ret = error_irq; edac_printk(KERN_ERR, EDAC_MOD_NAME, "EMIF irq number not defined.\n"); goto err;